// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-ecmascript-standard-built-in-objects
description: >
  Object.getPrototypeOf((function* g() {}).prototype).next does not implement [[Construct]], is not new-able
info: |
  ECMAScript Function Objects

  Built-in function objects that are not identified as constructors do not
  implement the [[Construct]] internal method unless otherwise specified in
  the description of a particular function.

  sec-evaluatenew

  ...
  7. If IsConstructor(constructor) is false, throw a TypeError exception.
  ...
includes: [isConstructor.js]
features: [Reflect.construct, generators, arrow-function]
---*/

function Test() {
    assert.sameValue(
      isConstructor(Object.getPrototypeOf((function* g() {}).prototype).next),
      false,
      'isConstructor(Object.getPrototypeOf((function* g() {}).prototype).next) must return false'
    );

    assert.throws(TypeError, () => {
      function* g() {} let iterator = g(); new iterator.next();
    }, '`function* g() {} let iterator = g(); new iterator.next()` throws TypeError');

}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
